The stage was set for a long siege that Pompey could hardly afford. Paterculus states that Caesar moved quickly and relied on his own luck while Pompey endured the siege until he discovered a weak point in Caesar's walls through which he forced men in until Caesar's men were forced into a tactical retreat. Seager further states that it was Caesar's speed and luck that helped him break the blockade at Brundisium which was overseen by Bibulus. Pitassi, in his Marina di Roma, records Pompey's use of the fleet to pursue Caesar's retreating men and that his command of the sea had pushed Caesar eastward. Furthermore, this dependence on a strong navy could have been a factor in making Spain so easy for Caesar to conquer as Pompey would have been busy recruiting legions and fleets in